Junko Akojima

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Shinjuku-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Glass article
- Patent number 9,718,723
- Issue date Aug 1, 2017
- Hoya Corporation
- Kazuo Tachiwana
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing optical element
- Patent number 9,663,402
- Issue date May 30, 2017
- Hoya Corporation
- Kazuo Tachiwana
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING OPTICAL ELEMENT
- Publication number 20150353420
- Publication date Dec 10, 2015
- HOYA CORPORATION
- Kazuo TACHIWANA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
GLASS ARTICLE
- Publication number 20150299029
- Publication date Oct 22, 2015
- HOYA CORPORATION
- Kazuo TACHIWANA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
METHOD FOR PROVIDING GLASS INFORMATION AND GLASS MATERIAL
- Publication number 20130065745
- Publication date Mar 14, 2013
- HOYA CORPORATION
- Shigeru AOYAGI
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR TESTING GLASS MATERIAL, METHOD FOR EVALUATING GLASS MATE...
- Publication number 20130059069
- Publication date Mar 7, 2013
- HOYA CORPORATION
- Shigeru Aoyagi
- G01 - MEASURING TESTING